ul {
    list-style: none;
    margin: 50px auto;
    padding: 20px;
    border: 1px solid #000;
    width: 240px;

}
li {
    width: 200px;
    height: 100px;
    border: 1px solid #000;
    margin: 0 auto;
    margin-bottom: 5px;

}
.bgc {
    background-color: pink;
}